Optical pickup lens comprising a lens and a lens holder...

Details Optical pickup lens comprising a lens and a lens holder... Optical pickup lens comprising a lens and a lens holder...

2006-08-29

2006-08-29

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

Including a nonspherical surface

C359S819000

Reexamination Certificate

active

07099090

ABSTRACT:
An optical pickup lens having a lens and a lens holder, each of which has at least one mark in a direction of rotation based on an optical axis of the lens as a center of rotation. The mark(s) of the lens holder is provided so as to oppose the mark(s) of the lens. Preferably, the marks of the lens and the marks of the lens holder are provided at regular intervals. Since both the lens and the lens holder have the marks thereon, the lens can be mounted on the lens holder at a predetermined angle in the direction of rotation of the lens based on the center of rotation of the lens.

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patent: 6643076 (2003-11-01), Montagu
patent: 7-272302 (1995-10-01), None
patent: 10-246801 (1998-09-01), None
patent: 11-23807 (1999-01-01), None
patent: 2001-126275 (2001-05-01), None

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